{"id":"CVE-2015-6922","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-6922","generatedAt":"2026-11-05T02:15:19.039Z","title":"Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an…","description":"Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.","published":"2020-02-17T18:15:12.000Z","lastModified":"2026-06-17T00:31:36.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-287"],"affected":["kaseya/virtual system administrator"],"epss":{"score":0.82102,"percentile":0.99654,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"2015-09-29","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":38401,"kind":"exploit","title":"Kaseya Virtual System Administrator (VSA) - 'uploader.aspx' Arbitrary File Upload (Metasploit)","url":"https://www.exploit-db.com/exploits/38401","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/38401.rb","file":"exploits/windows/remote/38401.rb","published":"2015-10-05","added":"2015-10-05","updated":"2017-09-18","author":"Metasploit","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2015-6922","OSVDB-128027"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/pedrib/PoC/blob/0b23cd69269e20a5dfcd2c58d84583bca7117727/advisories/kaseya-vsa-vuln-2.txt"},{"edbId":38351,"kind":"exploit","title":"Kaseya Virtual System Administrator (VSA) - Multiple Vulnerabilities (2)","url":"https://www.exploit-db.com/exploits/38351","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/asp/webapps/38351.txt","file":"exploits/asp/webapps/38351.txt","published":"2015-09-29","added":"2015-09-29","updated":"2016-12-28","author":"Pedro Ribeiro","type":"webapps","platform":"asp","port":null,"verified":true,"codes":["CVE-2015-6922","CVE-2015-6589","OSVDB-128028","OSVDB-128026"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"http://zerodayinitiative.com/advisories/ZDI-15-448/"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 82.1%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-448","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-449","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://helpdesk.kaseya.com/entries/96164487--Kaseya-Security-Advisory","tags":["Broken Link","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/38351/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-448","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-449","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://helpdesk.kaseya.com/entries/96164487--Kaseya-Security-Advisory","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/38351/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-6922","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}